Edelbrock 75014 EnduraShine Performer RPM Air-Gap Intake Manifold EnduraShine will not oxidize or fade and intake has a dual plane style Air-Gap design separates the runner from the heat of the lifter-valley cover Temperature sending unit boss clears all water necks No provision for exhaust heated chokes and no exhaust cross-over Will not fit under stock corvette hood and is meant for square bore carburetors